2543015424 has 80 divisors (see below), whose sum is σ = 7069404672. Its totient is φ = 810805248.

The previous prime is 2543015411. The next prime is 2543015443. The reversal of 2543015424 is 4245103452.

It is a junction number, because it is equal to n+sod(n) for n = 2543015391 and 2543015400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 71319.

Almost surely, 2^2543015424 is an apocalyptic number.

2543015424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543015424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3534702336).

2543015424 is an abundant number, since it is smaller than the sum of its proper divisors (4526389248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543015424 is an equidigital number, since it uses as much as digits as its factorization.

2543015424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72027 (or 72011 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2543015424 is about 50428.3196626657. The cubic root of 2543015424 is about 1364.9487068973.

Adding to 2543015424 its reverse (4245103452), we get a palindrome (6788118876).

The spelling of 2543015424 in words is "two billion, five hundred forty-three million, fifteen thousand, four hundred twenty-four".